Home / 15,742,104.90-21,723,150.51-8,677,389.25

Finding the Fourth Proportional to 15,742,104.90, 21,723,150.51 and 8,677,389.25

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Solution

The fourth proportional to 15,742,104.90, 21,723,150.51 and 8,677,389.25 is: 11,974,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742,104.90 : 21,723,150.51 = 8,677,389.25 : x
  2. Step 2: Convert to fraction form
    15,742,104.90/21,723,150.51 = 8,677,389.25/x
  3. Step 3: Cross multiply
    15,742,104.90x = 21,723,150.51 × 8,677,389.25
  4. Step 4: Simplify right side
    15,742,104.90x = 188,500,232,671,613.78
  5. Step 5: Solve for x
    x = 188,500,232,671,613.78/15,742,104.90
  6. Step 6: Final answer
    x = 11,974,271.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.